Hourly Forecast - Trenton
YELLOW ADVISORY - FROST
Impact Level: Moderate
Forecast Confidence: High
Temperatures are expected to fall to near the freezing mark tonight into early Saturday morning. Damage to plants, trees, and crops is possible. Take preventative measures to protect cold-sensitive plants, trees, and crops. Cover up plants, especially those in frost-prone areas. Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or post reports on social media using #ONStorm.
In effect for:
- Belleville - Quinte West - Eastern Northumberland County
Regional ATOM| Date/Time (EDT) | Temp. (°C) | Weather Conditions | Likelihood of precip (%) | UV index | Wind (km/h) |
|---|---|---|---|---|---|
| 10 October 2026 | |||||
| 05:00 | 1 |  A few clouds | 0 | * | VR 5 |
| 06:00 | 2 |  Clear | 0 | * | NE 10 |
| 07:00 | 2 |  Sunny | 0 | * | NE 10 |
| 08:00 | 3 | Sunny | 0 | 1 | NE 10 |
| 09:00 | 6 | Sunny | 0 | 2 | NE 10 |
| 10:00 | 9 | Sunny | 0 | 3 | NE 10 |
| 11:00 | 12 | Sunny | 0 | 4 | SE 15 |
| 12:00 | 13 | Sunny | 0 | 4 | SE 15 |
| 13:00 | 13 | Sunny | 0 | 4 | SE 15 |
| 14:00 | 14 |  A mix of sun and cloud | 0 | 3 | SE 15 |
| 15:00 | 15 | A mix of sun and cloud | 0 | 2 | SE 15 |
| 16:00 | 15 | A mix of sun and cloud | 0 | 1 | SE 15 |
| 17:00 | 16 | A mix of sun and cloud | 0 | * | SE 15 |
| 18:00 | 15 | A mix of sun and cloud | 0 | * | SE 15 |
| 19:00 | 14 |  Partly cloudy | 0 | * | SE 15 |
| 20:00 | 13 | Partly cloudy | 0 | * | SE 15 |
| 21:00 | 13 | Partly cloudy | 0 | * | SE 15 |
| 22:00 | 13 | Partly cloudy | 0 | * | SE 15 |
| 23:00 | 13 |  Mainly cloudy | 0 | * | S 15 |
| 11 October 2026 | |||||
| 00:00 | 13 | Mainly cloudy | 0 | * | S 15 |
| 01:00 | 13 | Mainly cloudy | 0 | * | S 15 |
| 02:00 | 13 | Mainly cloudy | 0 | * | S 15 |
| 03:00 | 12 | Mainly cloudy | 0 | * | S 15 |
| 04:00 | 12 | Mainly cloudy | 0 | * | S 15 |
* Value not significant
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